Home / 21,825.67-32,757.99-15,257.11

Finding the Fourth Proportional to 21,825.67, 32,757.99 and 15,257.11

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Solution

The fourth proportional to 21,825.67, 32,757.99 and 15,257.11 is: 22,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825.67 : 32,757.99 = 15,257.11 : x
  2. Step 2: Convert to fraction form
    21,825.67/32,757.99 = 15,257.11/x
  3. Step 3: Cross multiply
    21,825.67x = 32,757.99 × 15,257.11
  4. Step 4: Simplify right side
    21,825.67x = 499,792,256.81
  5. Step 5: Solve for x
    x = 499,792,256.81/21,825.67
  6. Step 6: Final answer
    x = 22,899.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.